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Electrical Insulation Magazine, IEEE

Issue 4 • Date July-August 2012

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  • Table of contents

    Publication Year: 2012 , Page(s): 1 - 2
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  • IEEE Electrical Insulation Magazine

    Publication Year: 2012 , Page(s): 3
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  • Editorial

    Publication Year: 2012 , Page(s): 4 - 5
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  • From the editors' desk

    Publication Year: 2012 , Page(s): 6 - 7
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  • A review of electrical winding failures in wind turbine generators

    Publication Year: 2012 , Page(s): 8 - 13
    Cited by:  Papers (2)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1854 KB) |  | HTML iconHTML  

    Since its commercial beginnings in the early 1990s, wind energy has grown to be a significant factor in the electrical generation industry, representing 9.6% of the installed capacity in Europe [1] and nearing 3.5% in North America [2]. Almost 25% of the US-based turbines are in Texas, supplying 8% of that state's annual energy requirements and peaking at almost 25% of grid demand on occasion [3].... View full abstract»

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  • A step forward in the characterization of the partial discharge phenomenon and the degradation of insulating materials through nonlinear analysis of time series

    Publication Year: 2012 , Page(s): 14 - 21
    Cited by:  Papers (1)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1626 KB) |  | HTML iconHTML  

    The partial discharge (PD) phenomenon is an electrical discharge that affects only part of a dielectric connecting two conductors [1]. This process may occur in the vacuoles of solid insulation, in gas bubbles in insulating liquids, or between dielectric layers. PDs can also occur on spikes or sharp edges of metal surfaces. Generally, the PDs affect the insulator integrity only if it persists for ... View full abstract»

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  • The use of MIL-PRF-87257 hydraulic fluid as a switching medium for a high-power microwave switch

    Publication Year: 2012 , Page(s): 22 - 28
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1086 KB) |  | HTML iconHTML  

    The article investigates the use of synthetic polyalphaolefin-based MIL-PRF-87257 hydraulic fluid as a switching dielectric medium in gigawatt-class repetitive pulsed power applications. View full abstract»

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  • Measurement of leakage current for monitoring the performance of outdoor insulators in polluted environments

    Publication Year: 2012 , Page(s): 29 - 34
    Cited by:  Papers (9)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1007 KB) |  | HTML iconHTML  

    Monitoring of leakage currents on various types of insulators, in the field and in laboratory tests, has provided a much broader perspective on the performance of outdoor insulators in various pollution zones. The technique can be effective for corrective maintenance of transmission lines, provided the type of pollutant and the critical leakage currents are analyzed periodically. A leakage current... View full abstract»

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  • Comparison between conventional and nanofilled enamels under different environmental conditions

    Publication Year: 2012 , Page(s): 35 - 41
    Cited by:  Papers (3)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (921 KB) |  | HTML iconHTML  

    The article describes a study aimed at understanding the behaviour of both conventional and nanocomposite organic enamels in the presence of partial discharge as influenced by relative humidity. View full abstract»

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  • In memoriam [Dr. George Sidney Eager]

    Publication Year: 2012 , Page(s): 42
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  • Obituary [Professor John Tanaka]

    Publication Year: 2012 , Page(s): 43 - 44
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  • D&EI folks

    Publication Year: 2012 , Page(s): 45
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  • Call for proposals

    Publication Year: 2012 , Page(s): 46
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  • News from Japan

    Publication Year: 2012 , Page(s): 47 - 49
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  • Book reviews [7 books reviewed]

    Publication Year: 2012 , Page(s): 50 - 54
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  • IEEE media advertising sales offices

    Publication Year: 2012 , Page(s): 55
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  • Meetings calendar

    Publication Year: 2012 , Page(s): 56
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  • IEEE Electrical Insulation Magazine - Front cover

    Publication Year: 2012 , Page(s): c1
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  • Author's guide

    Publication Year: 2012 , Page(s): c3
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  • IEEE Global History Network [advertisement]

    Publication Year: 2012 , Page(s): c4
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Aims & Scope

The EI Magazine publishes articles written by authors from industry, research institutes and academia. The articles are more practical in content than the papers published in the Transactions.

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Co-Editor-in-Chief
Edward Cherney

Co-Editor-in-Chief
Robert Fleming